Home / 74,106.07-111,060.68-47,402.80

Finding the Fourth Proportional to 74,106.07, 111,060.68 and 47,402.80

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Solution

The fourth proportional to 74,106.07, 111,060.68 and 47,402.80 is: 71,041.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,106.07 : 111,060.68 = 47,402.80 : x
  2. Step 2: Convert to fraction form
    74,106.07/111,060.68 = 47,402.80/x
  3. Step 3: Cross multiply
    74,106.07x = 111,060.68 × 47,402.80
  4. Step 4: Simplify right side
    74,106.07x = 5,264,587,201.90
  5. Step 5: Solve for x
    x = 5,264,587,201.90/74,106.07
  6. Step 6: Final answer
    x = 71,041.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.